Khosrow Najjari

ORCID: 0000-0001-8795-0401
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About
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Research Areas
  • Bariatric Surgery and Outcomes
  • Esophageal and GI Pathology
  • Gastric Cancer Management and Outcomes
  • Diet and metabolism studies
  • Body Contouring and Surgery
  • Gastroesophageal reflux and treatments
  • Nutrition and Health in Aging
  • Inflammatory Biomarkers in Disease Prognosis
  • Biliary and Gastrointestinal Fistulas
  • Hernia repair and management
  • Pelvic and Acetabular Injuries
  • Abdominal vascular conditions and treatments
  • Congenital Anomalies and Fetal Surgery
  • Congenital Diaphragmatic Hernia Studies
  • Gastrointestinal disorders and treatments
  • Colorectal Cancer Surgical Treatments
  • Foreign Body Medical Cases
  • Gastrointestinal Bleeding Diagnosis and Treatment
  • Enhanced Recovery After Surgery
  • Anesthesia and Pain Management
  • Breast Implant and Reconstruction
  • Parasitic infections in humans and animals
  • Nausea and vomiting management
  • Cardiovascular Disease and Adiposity
  • Infection Control and Ventilation

Sina Hospital
2020-2025

Tehran University of Medical Sciences
2020-2025

Shariati Hospital
2023

Imam Khomeini Hospital
2021

Imam Hossein Hospital
2020

Abstract Introduction Obesity can adversely impact respiratory function and limit physical activity (PA). Sleeve gastrectomy (SG) is an essential uptrend treatment option for weight loss. However, the effect of SG on pulmonary PA in patients with obesity still debated. Method This observational study 32 cases (BMI 43.86 ± 4.39) who underwent a single center. Spirometry was performed before 12 months after to investigate individuals. The main variables were forced expiratory volume (1s)...

10.1186/s12893-025-02804-0 article EN cc-by BMC Surgery 2025-02-28

In bariatric surgery, inflammatory biomarkers predict outcomes. Limited research on complete blood cell (CBC) markers stresses the need for correlation study. This explores links between CBC markers, body changes, and fatty liver grades in Iranian patients.

10.1097/ms9.0000000000002257 article EN Annals of Medicine and Surgery 2024-07-17

Introduction: Changes in body composition after different bariatric surgeries have been studied extensively, but most of them emphasized on Roux-en-Y gastric bypass. Only a few studies assessed the effects sleeve gastrectomy (SG). Also, effect one anastomosis bypass (OAGB) is not fully apprehended. Furthermore, there no agreement how much fat-free mass (FFM) loss tolerable weight interventions. Therefore, we decided to assess reduction fat (FM) and FFM at 1, 3, 6, 12 months two types surgery...

10.1089/lap.2021.0792 article EN Journal of Laparoendoscopic & Advanced Surgical Techniques 2022-04-21

Bariatric surgeries have shown efficacy in weight reduction, glycemic control and improvement of type-2 diabetes (T2DM) patients with obesity. We aimed to assess the one anastomosis gastric bypass surgery (OAGB) T2DM body mass index (BMI) < 35 kg/m2 within a year after surgery.In this multicenter retrospective cohort study, 14 BMI <35 (females, %: 71.4% (10 14), age, mean (standard deviation): 51.2 (12.3) years) who had underwent OAGB by same surgeon, were followed at intervals one, three,...

10.1016/j.amsu.2022.104102 article EN Annals of Medicine and Surgery 2022-06-28

تم اقتراح العلاج غير الجراحي لسرطان القولون والمستقيم، الذي يشكل ثالث أكثر أنواع السرطانات انتشارا في جميع أنحاء العالم، باستخدام الكيميائي الإشعاعي لتحقيق هدأة كاملة. هذا الصدد، استخدام المستضد السرطاني الجنيني كعلامة مرشح. تهدف هذه الدراسة إلى تقييم قابلية تطبيق مستويات التنبؤ بالاستجابة للعلاج الإشعاعي، وخاصة الاستجابة المرضية الكاملة. تصميم دراسة مستعرضة بأثر رجعي، من خلال استخراج مرحلة الورم ومستويات CEA قبل وبعد الجديد السجلات الطبية للمرضى الذين يعانون أورام المستقيم خضعوا الجراحة...

10.1016/j.jtumed.2022.06.009 article AR cc-by-nc-nd Journal of Taibah University Medical Sciences 2022-07-07

Reduction en mass (REM) is one of the rare complications inguinal hernia reduction. Although REM can be detected on basis specific computed tomography (CT) scan findings, many radiologists are not familiar with its radiological appearance because scarcity this complication, which may cause a delay in diagnosis.

10.1186/s13256-021-02845-y article EN cc-by Journal of Medical Case Reports 2021-05-03

Ovarian vein thrombosis (OVT) is exceedingly rare, which commonly occurs in postpartum patients and can result serious complication such as pulmonary emboli. With a presentation often mimicking that of acute abdomen, it be misdiagnosed mistreated. A 30-year-old woman referred with right lower quadrant abdominal pain, nausea anorexia, one week after normal vaginal delivery. Physical examination demonstrated tenderness rebound at the side stable vital sign except 38 °C fever. She had no...

10.1016/j.ijscr.2021.105975 article EN International Journal of Surgery Case Reports 2021-05-12

Sleeve gastrectomy is a popular surgical procedure for weight loss. Although it basically safe surgery; however, can lead to serious complications such as intestinal obstruction. The present report describes 55-year-old woman who attended with of abdominal pain and vomiting that underwent laparoscopic exploratory intervention ileum obstruction due adherent bands the appendix was considered final diagnosis.

10.31661/gmj.v13i.3353 article EN Galen Medical Journal 2024-05-15

Pneumatosis intestinalis (PI) is a rare but important medical condition that defined as collection of individual gas cysts in the submucosa and subserosa intestine. PI can be primary or secondary; however, this secondary to underlying diseases most time.This article presents 30-year-old man case report complaining generalized abdominal pain several episodes non-bilious bloodless vomiting. The patient was admitted surgical service department for further investigation, his CT scan revealed...

10.1016/j.ijscr.2021.106515 article EN International Journal of Surgery Case Reports 2021-10-22

Background: Bariatric surgery leads to weight loss and body fat percentage reduction, but patients are prone lean tissue which itself reduces the quality of life, increases risk deatand h. This study evaluated effects bariatric changes in Fat Mass (FM) Fat-Free (FFM) on respiratory skeletal muscles’ strength three months after surgery. Methods: After obtaining demographic information, anthropometric measurements composition analysis, including Body Index (BMI), FM, FFM, Percent (PBF),...

10.18502/jimc.v5i4.11344 article EN Journal of Iranian Medical Council 2022-12-12

As the population grows older, femoral neck fracture is becoming one of prevalent cases in orthopedics, although this can also happen younger individuals following high energy traumas. Fixation with cancellous lag screws treatment option for fractures, especially young adults and relatively active older patients. In case report, we describe a 52-year-old man referred formation enterocutaneous fistula (ECF) surgery place fixation 30 years prior to presentation. Interpretation CT scan images...

10.1016/j.ijscr.2021.105706 article EN International Journal of Surgery Case Reports 2021-02-26

Background: Gastric cancer is the fourth leading cause of cancer-related mortality worldwide. Objectives: This study describes epidemiologic, pathologic, imaging, and surgical findings patients with gastric referred to a tertiary hospital in Tehran, Iran. Methods: was single-center cross-sectional study. All for staging laparoscopy Iran, were included. Results: A total 30 participated The mean age 62 ± 12.6 years, whom 76.7% male. None had family history cancer. Four active smokers, 1 opium...

10.5812/amh-143132 article EN Annals of Military and Health Sciences Research 2023-12-29
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